Pneumatic cylinder



FIG. 1 is an isometric view showing the front top and left side of a pneumatic cylinder according to the present invention;

FIG. 2 is a left side view of a pneumatic cylinder according to the present invention;

FIG. 3 is a front view of a pneumatic cylinder according to the present invention; and,

FIG. 4 is a rear view of a pneumatic cylinder according to the present invention.

The right side view is a reverse image of the left side and the bottom view is the same as the left side view of FIG. 2. 

The ornamental design for a pneumatic cylinder, as shown and described. 